Uml_petkevicss.uml -

Describing how users (actors) interact with the system.

Showing how objects interact in a specific time sequence. UML_Petkevicss.uml

The most common structure, showing classes, attributes, and their relationships (inheritance, associations). Describing how users (actors) interact with the system

Руководство по созданию UML-схем и моделированию баз данных and their relationships (inheritance

A professional tool that supports importing and managing complex UML models. Their UML Practical Guide offers detailed tutorials on handling these file types.